<template>
  <div class="login">
    <div class="login-box">
      <h2>美食吃坊后台管理系统</h2>
      <form>
        <div class="user-box">
          <input type="text" name="username"  v-model="loginForm.username" autocomplete>
          <label>用户名</label>
        </div>
        <div class="user-box">
          <input type="password" name="password"  v-model="loginForm.password" autocomplete>
          <label>密码</label>
        </div>
        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        <a @click="() => handleSubmit(1)">
          <span></span>
          <span></span>
          <span></span>
          <span></span>
          登录
        </a>
        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        <a @click="() => handleSubmit(2)">注册 </a>
      </form>
    </div>
  </div>
</template>

<script>
import { reactive, ref } from "vue";
import { useRouter } from 'vue-router/dist/vue-router'
import { ElMessage } from 'element-plus'
import user from '@/api/user.js'
import { tokenStore } from "@/store/token.js";
export default {
  name: "Login",
  components: {
  },

  setup() {
    const router = useRouter()
    const tStore =  tokenStore()
    const loginForm = reactive({
      username: '',
      password: ''
    })
    const handleSubmit = (type) => {
      if (type === 1) {
        login()
      } else {
        register()
      }
    }
    const login = () => {
      user.login(loginForm).then(res => {
        console.log(res)
        tStore.saveToken(res.data)
        localStorage.setItem('username', loginForm.username)
        // 跳转到主页面
        router.push('/')

      }).catch(error => {
        ElMessage.error('登录失败..')
      })
    }
    const register = () => {
      ElMessage.info('注册功能开发中...')
    }
    return {
      loginForm,
      handleSubmit
    }
  }
}
</script>
<style>
body {
  margin: 0;
}
</style>
<style scoped>
.login {
  background-image: url(@/assets/img/background2.jpg);

  background-repeat: no-repeat;
  background-size: 100%;
  background-position: 0 -50px;
  height: 100vh;
  width: 100vw;
}
.login-box {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 400px;
  padding: 40px;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, .7);


  box-sizing: border-box;
  box-shadow: 0 15px 25px rgba(0, 0, 0, .6);
  border-radius: 10px;
}

.login-box h2 {
  margin: 0 0 30px;
  padding: 0;
  color: #fff;
  text-align: center;
}

.login-box .user-box {
  position: relative;
}

.login-box .user-box input {
  width: 100%;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  margin-bottom: 30px;
  border: none;
  border-bottom: 1px solid #fff;
  outline: none;
  background: transparent;
}

.login-box .user-box label {
  position: absolute;
  top: 0;
  left: 0;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  pointer-events: none;
  transition: .5s;
}

.login-box .user-box input:focus ~ label,
.login-box .user-box input:valid ~ label {
  top: -20px;
  left: 0;
  color: #03e9f4;
  font-size: 12px;
}

.login-box form a {
  position: relative;
  display: inline-block;
  padding: 10px 20px;
  color: #03e9f4;
  font-size: 16px;
  text-decoration: none;
  text-transform: uppercase;
  overflow: hidden;
  transition: .5s;
  margin-top: 40px;
  letter-spacing: 4px
}

.login-box a:hover {
  background: #03e9f4;
  color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 5px #03e9f4,
  0 0 25px #03e9f4,
  0 0 50px #03e9f4,
  0 0 100px #03e9f4;
}

.login-box a span {
  position: absolute;
  display: block;
}

.login-box a span:nth-child(1) {
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #03e9f4);
  animation: btn-anim1 1s linear infinite;
}

@keyframes btn-anim1 {
  0% {
    left: -100%;
  }
  50%, 100% {
    left: 100%;
  }
}

.login-box a span:nth-child(2) {
  top: -100%;
  right: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent, #03e9f4);
  animation: btn-anim2 1s linear infinite;
  animation-delay: .25s
}

@keyframes btn-anim2 {
  0% {
    top: -100%;
  }
  50%, 100% {
    top: 100%;
  }
}

.login-box a span:nth-child(3) {
  bottom: 0;
  right: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(270deg, transparent, #03e9f4);
  animation: btn-anim3 1s linear infinite;
  animation-delay: .5s
}

@keyframes btn-anim3 {
  0% {
    right: -100%;
  }
  50%, 100% {
    right: 100%;
  }
}

.login-box a span:nth-child(4) {
  bottom: -100%;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(360deg, transparent, #03e9f4);
  animation: btn-anim4 1s linear infinite;
  animation-delay: .75s
}

@keyframes btn-anim4 {
  0% {
    bottom: -100%;
  }
  50%, 100% {
    bottom: 100%;
  }
}
</style>
